.class{
    margin: 10px auto;
    width: 1650px;
    height: 500px;
    background-color: #d6e9c6;
}
.products{
    margin: 10px auto;
    width: 1640px;
    background-color: whitesmoke;
    border: 1px solid greenyellow;
}
.card{
    width: 400px;
    height: 480px;
    margin: 10px 5px;
    float: left;
    background-color: #46b8da;
}
.card img{
    width: 100%;
    height: 400px;
}
